Activity for Snowbodyâ€
Type | On... | Excerpt | Status | Date |
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Question | — |
Civilization on an Earth-like planet without using waterways for transport On Earth, civilization grew up around river valleys. Rivers are useful as a water source, a food source, and a waste disposal system, but their most important function to a civilization is enabling travel and trade. It's fairly simple to build boats that can take you as far as you want (barring water... (more) |
— | about 5 years ago |